Carrie Underwood Says Son Isaiah is 'Sweet & So Smart'

Carrie Underwood looks ultra sexy while attending Muhammad Ali’s 2016 Celebrity Fight Night XXII held at the JW Marriott Phoenix Desert Ridge Resort & Spa on Saturday (April 9) in Phoenix, Arizona.

The 33-year-old country singer was joined by Reba McEntire, David Foster, Larry King, and Rob Gronkowski.

Carrie opened up about her 13-month-old son Isaiah.

“He’s the best thing,” Carrie told People. “I never really knew what it was like to love something or someone unconditionally until I had him.”

She added, “He’s so sweet and so smart. He’s a little sponge just growing and learning every day. He’s just the best thing.”

15+ pictures inside of Carrie Underwood and others at the fight…